Drawing covers CP 4123 2R / 2H. Confirm applicability before ordering for another version.
Chicago Pneumatic
CP 4123 Chipping Hammer
This general purpose chipping hammer has been used for many years in foundry, fabrication shops and general construction. It is used for light to medium duty applications, such as chipping concrete and other similar jobs.
Available in 2″, 3″ and 4″ stroke versions.
Choose your complete tool
6 models. + Quote adds one complete tool; adjust quantities in your quote list.
.580 Hex Shank x Oval Collar
| Model / stroke | Part number | Quote |
|---|---|---|
| 4123-2H2" stroke | 8900000105 | |
| 4123-3H3" stroke | 8900000107 | |
| 4123-4H4" stroke | 8900000109 |
.680 Round Shank x Oval Collar
| Model / stroke | Part number | Quote |
|---|---|---|
| 4123-2R2" stroke | 8900000104 | |
| 4123-3R3" stroke | 8900000106 | |
| 4123-4R4" stroke | 8900000108 |
Technical Specs
.580 Hex models
| Model: | 4123-2H | 4123-3H |
|---|---|---|
| Part # | 8900000105 | 8900000107 |
| Chuck Size (inches) | .580 Hex | .580 Hex |
| Vibration level 3 axes (ISO 20643) (m/sec²) | 13,2 | 11,4 |
| Blows/Min. [/sec.] | 2220 [37] | 1800 [30] |
| CFM | 25,4 | 29,7 |
| Weight (lbs.) | 15,4 | 16,5 |
| Length (inches) | 14,8 | 16,7 |
.580 Hex models
| Model: | 4123-4H |
|---|---|
| Part # | 8900000109 |
| Chuck Size (inches) | .580 Hex |
| Vibration level 3 axes (ISO 20643) (m/sec²) | 13,9 |
| Blows/Min. [/sec.] | 1440 [24] |
| CFM | 27,5 |
| Weight (lbs.) | 17,6 |
| Length (inches) | 18,1 |
.680 Round models
| Model: | 4123-2R | 4123-3R |
|---|---|---|
| Part # | 8900000104 | 8900000106 |
| Chuck Size (inches) | .680 Rnd | .680 Rnd |
| Vibration level 3 axes (ISO 20643) (m/sec²) | 13,2 | 11,4 |
| Blows/Min. [/sec.] | 2220 [37] | 1800 [30] |
| CFM | 25,4 | 29,7 |
| Weight (lbs.) | 15,4 | 16,5 |
| Length (inches) | 14,8 | 16,7 |
.680 Round models
| Model: | 4123-4R |
|---|---|
| Part # | 8900000108 |
| Chuck Size (inches) | .680 Rnd |
| Vibration level 3 axes (ISO 20643) (m/sec²) | 13,9 |
| Blows/Min. [/sec.] | 1440 [24] |
| CFM | 27,5 |
| Weight (lbs.) | 17,6 |
| Length (inches) | 18,1 |
Accessory Tools
Match the collar and shank. Standard retainers use oval collars; deluxe quick-change ball retainers use round collars. These connections are not interchangeable.
Oval collar bits
For standard retainers.
| Length under collar (in.) |  OCHS.580 Hex |  OCRS.680 Round |
|---|---|---|
 Moil Point | ||
| 12" | ochs-12p | ocrs-12p |
| 18" | ochs-18p | ocrs-18p |
| 24" | ochs-24p | ocrs-24p |
 Narrow Chisel | ||
| 12" | ochs-12c | ocrs-12c |
| 18" | ochs-18c | ocrs-18c |
| 24" | ochs-24c | ocrs-24c |
 2in. Wide Blade Chisel | ||
| 12" | ochs-12c2 | ocrs-12c2 |
| 18" | ochs-18c2 | ocrs-18c2 |
| 24" | ochs-24c2 | ocrs-24c2 |
 3in. Wide Blade Chisel | ||
| 12" | ochs-12c3 | ocrs-12c3 |
| 18" | ochs-18c3 | ocrs-18c3 |
| 24" | ochs-24c3 | ocrs-24c3 |
 4-1/2in. Wide Clay Spade | ||
| 10" | ochs-cs | ocrs-cs |
 1 Pc. All-Steel Bushing Tool | ||
| 8" | ochs-bt | ocrs-bt |
Round collar bits
For deluxe quick-change ball retainers.
| Length under collar (in.) |  RCHS.580 Hex |  RCRS.680 Round |
|---|---|---|
| Moil Point | ||
| 12" | rchs-12p | rcrs-12p |
| 18" | rchs-18p | rcrs-18p |
| 24" | rchs-24p | rcrs-24p |
| Narrow Chisel | ||
| 12" | rchs-12c | rcrs-12c |
| 18" | rchs-18c | rcrs-18c |
| 24" | rchs-24c | rcrs-24c |
| 2in. Wide Blade Chisel | ||
| 12" | rchs-12c2 | rcrs-12c2 |
| 18" | rchs-18c2 | rcrs-18c2 |
| 24" | rchs-24c2 | rcrs-24c2 |
| 3in. Wide Blade Chisel | ||
| 12" | rchs-12c3 | rcrs-12c3 |
| 18" | rchs-18c3 | rcrs-18c3 |
| 24" | rchs-24c3 | rcrs-24c3 |
| 4-1/2in. Wide Clay Spade | ||
| 10" | rchs-cs | rcrs-cs |
| 1 Pc. All-Steel Bushing Tool | ||
| 8" | rchs-bt | rcrs-bt |
Longer lengths available for most tools. Call 800-241-9669 for help matching your tool.
Need help matching a model or part?
Talk to Mining Auger & Tool Works.
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